“Clip: Luigi’s Mansion 3 playthrough with Tommy” S:1 E:18 Return to the Boilerworks.

S:1 E:18 Return to the Boilerworks. Luigi uses the upgraded Poltergust G-00 to destroy and blow away demonic defenses, or summon Gooigi, a all-green doppelganger that can help Luigi overcome obstacles he can overcome by alone.